Home / 4,257.74-6,386.68-1,336.07

Finding the Fourth Proportional to 4,257.74, 6,386.68 and 1,336.07

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Solution

The fourth proportional to 4,257.74, 6,386.68 and 1,336.07 is: 2,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.74 : 6,386.68 = 1,336.07 : x
  2. Step 2: Convert to fraction form
    4,257.74/6,386.68 = 1,336.07/x
  3. Step 3: Cross multiply
    4,257.74x = 6,386.68 × 1,336.07
  4. Step 4: Simplify right side
    4,257.74x = 8,533,051.55
  5. Step 5: Solve for x
    x = 8,533,051.55/4,257.74
  6. Step 6: Final answer
    x = 2,004.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.